that patch, with a blacksheep clover leaf provides great diversity through the furious FPV True-D unit. I'm happy. the fatshark is just a viewer. IMO quality comes from these plug in units on FS or what ever is built in to other units.
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i just keep the firmware updated.. the latest update was like a whole new furious module.
just remember, no matter what you get, 5.8ghz does not penetrate water so there's always going to be some interference as you fly behind stuff. that's where onboard dvr (gopro etc) comes in but that's just a recording.
watch mr steels vids with inlay of his view.